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Commitments and Contingencies - Narrative (Details) $ in Millions |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Jul. 16, 2020 complaint | Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Number of claims which the Company filed motions to dismiss | complaint | 2 |  |  |  |
Office Space Lease Expiring December 31, 2024 |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Operating lease, discount rate (as a percent) |  | 13.00% |  | 13.00% |
Operating lease, remaining term |  |  |  | 3 years 6 months |
Rent expense |  | $ 0.1 | $ 0.1 | $ 0.1 | $ 0.2
Cash payments related to operating lease |  | $ 0.1 | $ 0.1 | $ 0.2 | $ 0.2

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